Rate Limiting Emails

No rate limiting is applied to password reset emails, or any emails sent by the Identity Cloud server. This means that an attacker can potentially spam a known user account with an infinite number of emails, filling that user's inbox. In the case of password reset, the spam attack can obscure an actual password reset attempt.

In a production environment, you must configure email rate limiting through the network infrastructure in which Identity Cloud runs. Configure the network infrastructure to detect and prevent frequent repeated requests to publicly accessible web pages, such as the password reset page. You can also handle rate limiting within your email server.

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